With IPHost Network Monitor you can run simple snmp requests against a Nortel device in your network.
mpanlDlciLbLocalTotalBytes
mpanl Dlci Lb Local Total Bytes
This attribute records the number of bytes looped back to the link since loopback mode was started.
Back to Nortel-Magellan-Passport-MpaNetworkLinkMIB MIB page.
IPHost Network monitor allows you to monitor mpanlDlciLbLocalTotalBytes on Allied Telesis device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Nortel secure routers right now.